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| author | Laurent Vivier <Laurent.Vivier@bull.net> | 2008-05-30 18:05:53 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-07-20 13:42:30 +0400 |
| commit | 92760499d01ef91518119908eb9b8798b6c9bd3f (patch) | |
| tree | a6bd80fbad82589eb5aa98f81edda4537bc1f625 /arch/x86/kvm/i8254.c | |
| parent | 131d82791b628d4aeafd94ddc74a9b68f3d15a83 (diff) | |
| download | linux-92760499d01ef91518119908eb9b8798b6c9bd3f.tar.xz | |
KVM: kvm_io_device: extend in_range() to manage len and write attribute
Modify member in_range() of structure kvm_io_device to pass length and the type
of the I/O (write or read).
This modification allows to use kvm_io_device with coalesced MMIO.
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/i8254.c')
| -rw-r--r-- | arch/x86/kvm/i8254.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 60074dc66bd7..9e3391e9a1b7 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -460,7 +460,8 @@ static void pit_ioport_read(struct kvm_io_device *this, mutex_unlock(&pit_state->lock); } -static int pit_in_range(struct kvm_io_device *this, gpa_t addr) +static int pit_in_range(struct kvm_io_device *this, gpa_t addr, + int len, int is_write) { return ((addr >= KVM_PIT_BASE_ADDRESS) && (addr < KVM_PIT_BASE_ADDRESS + KVM_PIT_MEM_LENGTH)); @@ -501,7 +502,8 @@ static void speaker_ioport_read(struct kvm_io_device *this, mutex_unlock(&pit_state->lock); } -static int speaker_in_range(struct kvm_io_device *this, gpa_t addr) +static int speaker_in_range(struct kvm_io_device *this, gpa_t addr, + int len, int is_write) { return (addr == KVM_SPEAKER_BASE_ADDRESS); } |